Heating furnace



Aug 23, 1932. I -rz 1,873,570 I HEATING FURNACE Filed Oct. 8. 1939 f m ggy moving air is heated by a counterfiow of downwardly moving hot gases and products.

the invention consists 1n the matters here- Patented Aug. 23, 1932 wim -mas PETER FRANTZ, or srrinnmslxrnmois q HEATING Fim AcE This invention relates to heaters, and more particularly to those employed for heating houses and other buildings, by means of heated air.

Generally stated, the object of the invention is to provide a novel and improved construction whereby a combustion chamber is provided in the top of the heating apparatus, together with means whereby thehot gases and products of combustion are caused to pass downwardly through passages of a radiator-like structure, the latter having vertically disposed fiat sections, whereby the air to be heated is caused to pass upwardly between said sections, whereby the upwardly of combustion, thin sheet-metal walls being interposed between the upwardly moving pure air and the downwardly moving currents of hot gases and products of combustion, whereby the pure air is caused to absorb practically all of the heat contained in said hot gases and pro-ducts of combustion.

It is also an object to provide certain details and features of construction and combinations tending to increase the general efficiency and the desirability of a heater of this particular character.

To the foregoing and other useful ends,

any suitable known or approved character,

talre 'the air either from outdoors,

desirech p lVithin the sheet-metal housingor casing l V is a radiator llike"structure comprising hollow sheetinetal'sections which'are connected tog-ether anolfspaced apart by the rings, 5', as shown, whereby a substantially cylin- "drical and horizontally; disposed combustion or" :trom 'the rooiris to be heated, as m ay be chamber- 6 is formed if'nftheftop'of thetop por tion 'of' thefradi'ator-like structure; jA gas burn-er 7, or" other burner or heater, is dis-v posed in the combustion chamber 6 in the jnia'nn er'shownl i The, 'sections'fs are" also spaced'apart"and held together by the rings 8"-in-"the bot-toml portion of the structure, 3

fwhereby cylindrical and horizontally disposed .fif fe 9 ,isj provided the lower portion 'of'thisstructure; Each section is;comp'osed 10f two Sheet metaI halves, as shown,held to 'gethier at theirouter edges by the binding strips 10, as shown; Thus "the" radiator like structures shown and described'is preferably ofsheet-jmetal throughout, whereby spaces 11 are provided 'betweenthe said substantially flat and'upright sectionsA of the structure. 'In'operation, the hot gases and -products of combustion from'the chambe s are caused to pass downwardly within the sectionsfl, until theylinallyenter'the chamber 9 below','and from this chamber the said products of combustion-escapejthrough a flu'e 12 to a chimney or'stack'. The pure'air entering at 2 below, passes upwardly-between the sections 4, in the spaces 11, an'dis highly heated by absorption of the heatthrough the'sheet-metal walls ,1 from the-hot gases and produ'cts of combustion. j The pure air: thus heated is permitted toescape vthrough the fines or pipes3 to the rooms of ithehouse orother building to be heatedu' Thus? there is a cylindrical and horfizontally disposedchamber 6 in the top-por-' tion of the radiator-.likeheater structure, and l 7 there is alsoi'a 'cylindri'ca'l and horizontally disposed chamber .9 in the bottom portion of said structure, the two chambers being interconnected by the interior of eachvertical section itself, whereby each radiator-like flue section is in the natureof a vertical fiat flue connecting the upper combustion chamber with the lower out-let chamber. Therefore,

the pure air passes upwardly outside of the radiator-like sections, and the air is heated substantially as it would be by an internallyheated sectional radiator structure for space i heating purposes, :Thus the sections form parallel down-draft fiues disposed in vertical "planes at right angles to the parallel axes of the said upper and lowerchambers, with v the spaces between said sections forming updraft flues for the air. In this way, thepair is;

chamber is cylindrical and dividedintosections by vertical spaces.

.4. A structure as specified in claim l, said radiator like sections being flat and having upper and lower ring connections by which they are spaced apart to form circulating passages between them for the air, whereby the air is free to circulate around said chambers, as well as between the sections, whereby 7 each chamber is cylindrical and divided into sections by vertical spaces. V

Specification signed this 3 day of Oct.,

. PETER ,FRANTZ.

1. In a'heater for heating buildings by means of heated air, theVcon'ibination of an outer housing having a lower inlet for pure airandian upper outlet "for heated air, and 'a sectional radiator likefheating structure within said housing, said radiator-like structure having vertically disposed flat'metal sec- 7 tions spaced apart and formed to provide an j upper horizontal combustion chamber and V a lower horizontal outlet chamber, the two v chambers being interconnected "by the interior of each radiator-like section, vand a burner, the'up'percombustion chamber, said section's formingv parallel down draft 'fiues disposed'in vertical planes at right angles to spaces between said sections forming up-draft .efiu'es" for the. air, whereby the hot' gases and products of combustion are caused to pass downwardly from the upper chamber to the lower chamber, while the air is caused to pass upwardly between the radiator-likesections from said pure air, inlet to said heated air out 40 the, parallel axesofsaid chambers,'with the let, each down draft flue openinginto and communicating withthe top and bottomand sides ofv each ofsaid chambersl v i 2. A structure as specifiedin claim 1, said radiator-like sections comprising duplicate sheet-metal halves held together at their outer v edges, and said sections being spaced. apart and interconnectedby rings forming said up- -per and lower chambers, whereby said chamr and dividedint0 sections'by vertical spaces. 1

and lower ring 'joint connections between bers' are cylindrical and horizontally disposed, whereby each chamber is cylindrical 3, A- struct'ure as specifiedin claim 1, said t radiator-like structures beingec omposed of a sheet-metal, andbeing (fiat and having upper them, said. ring joint connections forming said upper and lower chambers, whereby each may 

